Electrical Machines Which of following DC motors will have percentage increase of input current for the same percentage increase in torque? Series. Shunt. Differntical compound. Cummulative compound. Series. Shunt. Differntical compound. Cummulative compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformers operating in parallel will share the load depending upon their percentage impedance. rating. efficiency. leakage reactance. percentage impedance. rating. efficiency. leakage reactance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Methods of synchronizing of alternator may be done by all dark lamp method. all of these. all bright lamp method. one dark two bright. all dark lamp method. all of these. all bright lamp method. one dark two bright. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For same HP rating and full load speed which of following motor has poor starting torque? Shunt. Differently compounded. Cummulative compound. Series. Shunt. Differently compounded. Cummulative compound. Series. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in a conductor rotating in a bipolar field is AC. DC. both of above. None of these AC. DC. both of above. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 240 V DC series motor takes 40 A when giving its rated output at 1500 rpm. Its resistance is 0.3 ohms. The value of resistance which must be added to obtain rated torque at 1000 rpm is 5.7 ohms. 1.9 ohms. 2.2 ohms. 6 ohms. 5.7 ohms. 1.9 ohms. 2.2 ohms. 6 ohms. ANSWER DOWNLOAD EXAMIANS APP
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